[gtksourceview/wip/chergert/pcre2: 6/9] tests: allow passing filename to test-widget

[Christian Hergert <chergert src gnome org>]

commit 89dfadf93ca32f9f124b57e2e250c2638e7e5c1c
Author: Christian Hergert <chergert redhat com>
Date:   Fri Sep 25 13:38:07 2020 -0700

    tests: allow passing filename to test-widget
    
    Just for convenience to open new files that may error on specific
    conditions.

 tests/test-widget.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)
---
diff --git a/tests/test-widget.c b/tests/test-widget.c
index 9885d927..5d4e6575 100644
--- a/tests/test-widget.c
+++ b/tests/test-widget.c
@@ -72,6 +72,7 @@ G_DEFINE_TYPE_WITH_PRIVATE (TestWidget, test_widget, GTK_TYPE_GRID)
 
 static GMainLoop *main_loop;
 static gchar *last_dir;
+static const char *cmd_filename;
 
 static void
 remove_all_marks (GtkSourceBuffer *buffer)
@@ -1112,7 +1113,11 @@ test_widget_init (TestWidget *self)
                                space_drawer, "enable-matrix",
                                G_BINDING_BIDIRECTIONAL | G_BINDING_SYNC_CREATE);
 
-       file = g_file_new_for_path (TOP_SRCDIR "/gtksourceview/gtksourcebuffer.c");
+       if (cmd_filename)
+               file = g_file_new_for_commandline_arg (cmd_filename);
+       else
+               file = g_file_new_for_path (TOP_SRCDIR "/gtksourceview/gtksourcebuffer.c");
+
        open_file (self, file);
        g_object_unref (file);
 }
@@ -1152,6 +1157,11 @@ main (int argc, char *argv[])
 
        main_loop = g_main_loop_new (NULL, FALSE);
 
+       if (argc == 2 && g_file_test (argv[1], G_FILE_TEST_IS_REGULAR))
+       {
+               cmd_filename = argv[1];
+       }
+
        gtk_init ();
        gtk_source_init ();
        setup_search_paths ();